  <h3>版本</h3>
   <ul class="versions">
    
      <li><a href="http://flask.pocoo.org/docs/dev/">开发版</a>
      <span class="note">（不稳定）</span>
    
      <li><a href="http://flask.pocoo.org/docs/1.0/" class="current">Flask 1.0</a>
      <span class="note">（稳定）</span>
    
      <li><a href="http://flask.pocoo.org/docs/0.12/">Flask 0.12</a>
  </ul>
